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King County provides comprehensive benefits and services to eligible employees, retirees, and their dependents through strategic planning, negotiation, and implementation of benefit programs. Benefits, Payroll and Retirement Operations is here to help you with your medical, vision, and dental plan options; life and disability insurance; medical and dependent care reimbursement accounts; leave programs; payroll; and retirement planning.


Domestic partner coverage changes

Effective Jan. 1, 2018, King County no longer offers employee benefits to unmarried partners and their children unless a state-registered domestic partnership has been established. Married same-sex couples are now eligible for the same benefits and tax advantages as other married couples. Notification letters were mailed to impacted employees. More information:


Benefits and retirement

Phone 206-684-1556
Fax: 206-296-7700

Phone hours:
9 a.m. – 4 p.m. weekdays

Fax: 206-296-7678